Gerald Karabin, M.D.
NPI 1891889713 · Dermatology Physician · Portage, MI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Karabin, M.D. is a Dermatology Physician provider in Portage, MI (NPI 1891889713).
Provider details
- NPI number
- 1891889713
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301053240 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2015-01-30
Frequently asked questions
- What is Gerald Karabin's NPI number?
- Gerald Karabin's National Provider Identifier (NPI) is 1891889713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Karabin's specialty?
- Gerald Karabin is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Karabin located?
- Gerald Karabin's practice location on file with NPPES is 6100 Newport Rd, Portage, MI 49002-9235.
- What is Gerald Karabin's phone number?
- The practice phone number listed in the NPPES registry for Gerald Karabin is (269) 343-4679.
- Does Gerald Karabin accept Medicare?
- Gerald Karabin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Karabin's NPI active?
- Yes — Gerald Karabin's NPI (1891889713) is active in the NPPES registry as of the last update on 2015-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.